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CVE-2026-57941: CWE-416 Use After Free in Apache Software Foundation Apache HTTP Server

0
High
VulnerabilityCVE-2026-57941cvecve-2026-57941cwe-416
Published: 10/01/2026 (10/01/2026, 16:06:53 UTC)
Source: CVE Database V5
Vendor/Project: Apache Software Foundation
Product: Apache HTTP Server

Description

CVE-2026-57941 is a Use After Free vulnerability in the Apache HTTP Server's mod_http2 module related to shared session->bbtmp re-entrancy. It affects Apache HTTP Server versions from 2.4.0 through 2.4.68. No CVSS score is provided, and there is no indication of known exploits in the wild. No patch or remediation information is currently available.

Affected software

Apache Software Foundation

Apache HTTP Server

Affected versions
>=2.4.0 <=2.4.68
apache/httpd
pkg:rpm/apache/httpd
Affected versions
>=2.4.0 <=2.4.68

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/01/2026, 16:48:01 UTC

Technical Analysis

This vulnerability involves a Use After Free condition in the mod_http2 component of Apache HTTP Server, specifically due to re-entrancy issues with the shared session->bbtmp structure. The affected versions are from 2.4.0 up to and including 2.4.68. The issue is publicly disclosed but lacks detailed CVSS scoring and vendor advisory information regarding fixes or mitigations.

Potential Impact

The vulnerability could potentially allow attackers to cause memory corruption or unexpected behavior in the Apache HTTP Server when handling HTTP/2 sessions. However, without further details or known exploits, the exact impact remains unclear.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor Apache Software Foundation advisories for updates.

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Technical Details

Data Version
5.2
Assigner Short Name
apache
Date Reserved
2026-06-26T13:34:41.733Z
State
PUBLISHED

Threat ID: 6abe8afca43b0b3b89c7c227

Added to database: 10/01/2026, 16:31:56 UTC

Last enriched: 10/01/2026, 16:48:01 UTC

Last updated: 10/01/2026, 17:20:39 UTC

Views: 4

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